CN201017055Y - Light conducting plate structure - Google Patents
Light conducting plate structure Download PDFInfo
- Publication number
- CN201017055Y CN201017055Y CNU200720118238XU CN200720118238U CN201017055Y CN 201017055 Y CN201017055 Y CN 201017055Y CN U200720118238X U CNU200720118238X U CN U200720118238XU CN 200720118238 U CN200720118238 U CN 200720118238U CN 201017055 Y CN201017055 Y CN 201017055Y
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- light
- guide plate
- light guide
- thickness
- emitting diode
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- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 14
- 238000009792 diffusion process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a light guide plate structure, which comprises a light guide plate and a light source at one end of the light guide plate. The end of the light guide plate, which is connected with the light source, is convex step shape and the thickness of the end is more than of equal to the thickness of the light source. As one end of the light guide plate of the utility model is convex step shape and thickness of other parts is not changed, a thick light emitting diode can be arranged at the end. Thus, the cost of the whole product is not added, while the backlit product becomes super-thin. Moreover, no other elements are added for the utility model, and the utility model is simple in the structure and easy for manufacture.
Description
Technical field:
The utility model relates to a kind of light conducting plate structure, and what be specifically related to is the light conducting plate structure that an a kind of end is the raised step shape.
Background technology:
Existing backlight product generally all is in the light guide plate end light emitting diode to be installed, and the light that light emitting diode produces is transmitted to light guide plate inside and exports via the light guide plate exit facet.Light guide plate is a core component in this backlight product, its structural design directly has influence on the performance of product and the cost of product, and the design of light guide plate all is plate-like structure basically in the present industry, be illustrated in figure 1 as the figure that cooperates of light guide plate and light emitting diode, wherein light guide plate use ordinary flat structure is to be the optical effect that guarantees backlight, and the thickness of light guide plate is greater than or equals the thickness of light emitting diode generally speaking.If the thickness of light guide plate less than the thickness of light guide plate, is easy to produce the bright spot light beam, can't be accepted by the client.
People are more and more thinner to the requirement of backlight product now, thereby make light guide plate also more and more thinner, because the thickness requirement of light guide plate is more than or equal to the thickness of light emitting diode, therefore need to adopt thin light emitting diode, but thin light emitting diode not only costs an arm and a leg, and brightness is not as thicker light emitting diode, the backlight product made from 0.6mm thickness light guide plate is an example, only the cost of light emitting diode has just accounted for 25% of entire product cost, is unfavorable for promoting the use of of ultra-thin backlight product.
Summary of the invention:
In order to solve the high problem of above-mentioned ultra-thin backlight product cost, it is the light conducting plate structure of raised step shape that the utility model provides an a kind of end, by this structure thicker light emitting diode and the light guide plate that approaches is used.
The utility model is achieved through the following technical solutions: a kind of light conducting plate structure, the illuminating source that comprises light guide plate and be connected light guide plate one end, the end that wherein said light guide plate is connected with illuminating source is the raised step shape, and the thickness of described raised step shape one end is more than or equal to the thickness of illuminating source.
Described light guide plate is the transparent plate body of a light-permeable, and its bottom surface is printed on regular leaded light site, and the linear light that described leaded light site is used for shining in from illuminating source converts uniform in-plane light to.
Described illuminating source can be a light emitting diode.
Because light guide plate one end described in the utility model is the raised step shape, and the actual (real) thickness of whole light guide plate is constant, wherein thicker light emitting diode can be installed at an end of light guide plate raised step shape, thereby when realizing ultra-thinization of backlight product, do not increase the cost of entire product, and the utility model do not increase other elements, and is simple in structure, easy to manufacture.
Description of drawings:
Fig. 1 is the background technology light guide plate and the figure structure schematic representation that cooperates of light emitting diode.
Fig. 2 is the utility model light guide plate and the figure structure schematic representation that cooperates of light emitting diode.
Fig. 3 is the utility model back light module unit structure synoptic diagram.
Embodiment:
Below in conjunction with accompanying drawing specific embodiment of the utility model is described further.
See also shown in Figure 2, the utility model is the light conducting plate structure that an a kind of end is the raised step shape, the light emitting diode 2 that comprises light guide plate 1 and be connected light guide plate one end, wherein said light guide plate 1 is made up of an end 12 and dull and stereotyped 11 of raised step shape, one end 12 of described raised step shape is connected with light emitting diode 2, and the thickness of an end 12 of described raised step shape is more than or equal to the thickness of light emitting diode 2.
Above-mentioned light guide plate 1 is the transparent plate body of a light-permeable, and its lower surface is printed on regular leaded light site.Here the transparent plate body of said light-permeable requires to have high index of refraction, high total light transmittance, and high heat distortion temperature, high surface hardness, the characteristic of low water absorption and low-thermal-expansion rate, so light guide plate 1 generally is to adopt Asia gram force or organic glass to make.Lower surface in light guide plate 1 is printed on regular leaded light site in addition, the leaded light site that these rules distribute suitably is distributed in the bottom surface of light guide plate 1, be mainly used in and destroy the total reflection of light in light guide plate 1, thereby light is not penetrated as far as possible from the back side of light guide plate 1, light is penetrated by the front, improve the utilization factor of light, SiO can be adopted in above-mentioned leaded light site
2, TiO
2Form Deng the material printing, also these materials and light guide plate can be injection molded into one and form.
See also Fig. 3, Fig. 3 is the utility model back light module unit structure figure, mainly form in this module backlight by assemblies such as light guide plate 1, light emitting diode 2, reflector plate 3, bright enhancement film 4, diffusion sheets 5, wherein the step-like end 12 of light guide plate 1 protrusions is connected with light emitting diode 2, and the flat board 11 part bottom surfaces of light guide plate 1 are provided with regular leaded light site; The bottom of light guide plate 1 is provided with reflector plate 3, is provided with diffusion sheet 5 above the light guide plate 1, is provided with bright enhancement film 4 above the diffusion sheet 5.The principle of work of the utility model module backlight is: at first the light of light emitting diode 2 luminous generations directly or through entering in the light guide plate 1 after the reflection is propagated, light can produce total reflection phenomenon in light guide plate 1, but under the acting in conjunction of the leaded light site of light guide plate 1 bottom surface regularity and reflector plate 3, total reflection phenomenon is destroyed, light will spread ejaculation at an angle from the front of light guide plate 1, is evenly distributed in the light-emitting zone; Adjust through the visual angle of diffusion sheet 5 and bright enhancement film 4 from the light guide plate 1 positive light that penetrates then, these light can be accumulated in the LCD angle of visibility range of choice, with of the characteristic requirement of fluid,matching crystal display to light.
It more than is introduction to the utility model backlight product principle of work, because it is more and more thinner that existing backlight product requires, by above as can be known, this thickness that just means light guide plate 1 is also more and more thinner, because the thickness of light guide plate 1 is greater than or equals the thickness of light emitting diode 2, therefore the thickness of light emitting diode 2 also requires more and more thinner, but ultra-thin light emitting diode divalent lattice costliness, and the utility model is owing to be provided with raised step end 12 in light guide plate 1 and light emitting diode 2 junctions, raised step end 12 is thicker than flat board 11 parts of light guide plate 1, and the thickness of light emitting diode 2 should be less than or equal to the thickness of raised step end 12, therefore thin light guide plate 1 just can be used with thicker light emitting diode 2, when adopting the light guide plate of 0.8mm for example, just need to adopt the light emitting diode of 0.8mm thickness as light source; When adopting the light guide plate of 0.6mm, just need to adopt the light emitting diode of 0.6mm thickness as light source; And adopting backlight product of the present utility model just can when using the light guide plate of 0.6mm, can adopt the light emitting diode of 0.8mm now, the thickness that wherein only needs to guarantee light guide plate raised step end gets final product more than or equal to 0.8mm.
More than an a kind of end that the utility model is provided be the raised step shape light conducting plate structure is described in detail that wherein the raised step shape described in the utility model can require manufacture different convex shape according to difference.This paper just introduces the core concept of utility model, to persons skilled in the art, according to thought of the present utility model, part in specific embodiments and applications all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1. light conducting plate structure, the illuminating source that comprises light guide plate and be connected light guide plate one end, it is characterized in that: the end that described light guide plate is connected with illuminating source is the raised step shape, and the thickness of described raised step shape one end is more than or equal to the thickness of illuminating source.
2. light conducting plate structure according to claim 1, it is characterized in that: described light guide plate is the transparent plate body of a light-permeable, its bottom surface is printed on regular leaded light site, and the linear light that described leaded light site is used for shining in from illuminating source converts uniform in-plane light to.
3. light conducting plate structure according to claim 1 is characterized in that: described illuminating source can be a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720118238XU CN201017055Y (en) | 2007-01-24 | 2007-01-24 | Light conducting plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720118238XU CN201017055Y (en) | 2007-01-24 | 2007-01-24 | Light conducting plate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201017055Y true CN201017055Y (en) | 2008-02-06 |
Family
ID=39057551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720118238XU Expired - Fee Related CN201017055Y (en) | 2007-01-24 | 2007-01-24 | Light conducting plate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201017055Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956957A (en) * | 2009-07-21 | 2011-01-26 | 上海向隆电子科技有限公司 | Light guide plate structure and method for improving light transmission of step light guide plate |
| CN103308973A (en) * | 2012-03-15 | 2013-09-18 | 欧姆龙株式会社 | Surface light source device |
| WO2024041656A1 (en) * | 2022-08-26 | 2024-02-29 | 广东敏华电器有限公司 | Light guide plate structure of sign light |
-
2007
- 2007-01-24 CN CNU200720118238XU patent/CN201017055Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956957A (en) * | 2009-07-21 | 2011-01-26 | 上海向隆电子科技有限公司 | Light guide plate structure and method for improving light transmission of step light guide plate |
| CN103308973A (en) * | 2012-03-15 | 2013-09-18 | 欧姆龙株式会社 | Surface light source device |
| CN106199816A (en) * | 2012-03-15 | 2016-12-07 | 欧姆龙株式会社 | Planar light source device |
| CN106199816B (en) * | 2012-03-15 | 2018-11-09 | 欧姆龙株式会社 | Planar light source device |
| WO2024041656A1 (en) * | 2022-08-26 | 2024-02-29 | 广东敏华电器有限公司 | Light guide plate structure of sign light |
| CN119631124A (en) * | 2022-08-26 | 2025-03-14 | 广东敏华电器有限公司 | A light guide plate structure for a sign light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Technology Co., Ltd. Hui Library Assignor: Shenzhen Techaser Technologies Co., Ltd. Contract record no.: 2015440020311 Denomination of utility model: Light guiding plate structure and manufacturing method thereof Granted publication date: 20080206 License type: Exclusive License Record date: 20150827 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |